Can AI replace SimplyBook.me?
The visible service booking loop is buildable, but a credible replacement needs more than the first screen. SimplyBook.me earns its keep through OAuth, calendar reliability, so expect a weekend or multi-day build and a narrower personal scope.
Replacing a paid app means you set it up and keep it running: hosting, updates and backups can be on you. What you give up.
01What it costs
Checked Aug 14, 2026 · source: simplybook.me.
| Plan | Monthly | Billed yearly | What you get |
|---|---|---|---|
| Free | Free | Free | 50 bookings; 1 custom feature; 1 provider. |
| Basic | $13.90 | $11.90/mo | 100 bookings; 3 custom features; 5 providers. |
| Standard | $29.90 | $24.90/mo | 500 bookings; 8 custom features; 15 providers. |
| Premium | $59.90 | $49.90/mo | 2,000 bookings; unlimited custom features; 30 providers. |
| Enterprise | — | — | Custom bookings and providers; unlimited custom features. |
Hidden costs: Booking, provider, and custom-feature caps can force a plan upgrade; SMS and payment-processor charges are separate where used.
02Could AI build it for you?
The core job: Build a personal service booking tool that reads one calendar, publishes availability, reserves a slot, and writes the event back.
What a working version needs:
- Google Calendar OAuth credentials
- hosted callback URL
- email provider API key in .env
Useful boundary case: the first 60 percent of SimplyBook.me is approachable, but operating the last 40 percent is the real subscription.
03What you'd give up
- multi-calendar conflict handling
- race-free booking under load
- team routing and round robin
- reliable reminders and timezone edge cases
SimplyBook.me: People pay because a booking tool must never double-book them, leak private events, or send the wrong time to a client.
04Free and cheaper alternatives
One staffer gets reminders, classes and Square checkout for 100 bookings a month; growth wakes the paywall.
Versus paying: Its 100-appointment and five-service limits are small, and it offers far less website, marketplace and add-on breadth than SimplyBook.me.
appointy.com →Four staff, payments, classes and 200 monthly bookings; SMS, recurring appointments and two-way sync cost extra.
Versus paying: It caps free bookings at 200 and has a much smaller add-on, website and advanced client-management ecosystem than SimplyBook.me.
setmore.com →A serious free solo booking stack where Square operates; processing fees remain and the feature mix varies by country.
Versus paying: It is country-dependent and solo on the free plan, with a narrower website and add-on ecosystem than SimplyBook.me.
squareup.com →05The build prompt
The complete build prompt, plus 11 step-by-step prompts from research to launch, a design system file, a page-by-page spec, the data model and a launch checklist.
Get the Build Kit · $9 →One-time payment. Delivered on screen and by email.
06Free open-source starting points
- Cal.com: Mature open-source scheduling platform and OAuth reference.
Prices change; confirm on the vendor's site before you decide.
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